I have a 20K Reese for pulling 5th wheels. My Take 3 Car trailer had a goosneck. I got tired of changing the hitches back and forth so for $65 a welding shop made a King Pin to slide up the tube on the car trailer and now I just use the Reese hitch for every thing.
------------------
2001 2500 QC, ETH/DEE,4:10s, LSD, VA Magic Box, Boost/Pyro Guages, 4" Turbo back, BD Brake,Mag- Hytec Cover, Kleen Wheels, Energy Release, 70 gal. fuel, 20K Reese. (RV Dealer)